Red List Category
for more information about the Red List categories and criteria
Justification of Red List category
This species has a highly restricted and fragmented range, and it is likely to have a moderately small global population size. Declines are suspected to be occuring owing to habitat loss, although montane populations (and those in secondary habitats) are likely to be relatively secure. It is therefore considered Near Threatened.
Unknown mature individuals
Distribution size (breeding/resident):
Land-mass type - oceanic island - Oceanic islands are islands or island groups that are <200,000 sq km in size and separated from other land masses by >200 m sea depth. Generally Oceanic islands are islands or island groups that are <200,000 sq km in size and separated from other land masses by >200 m sea depth. Generally they have never been connected to a continental area by a land-ridge, and are volcanic in origin.
Realm - Oceanic - realm
IUCN Ecosystem -- Freshwater biome
IUCN Ecosystem -- Terrestrial biome